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Xiaogang Liu
Researcher at National University of Singapore
Publications - 605
Citations - 54443
Xiaogang Liu is an academic researcher from National University of Singapore. The author has contributed to research in topics: Medicine & Photon upconversion. The author has an hindex of 94, co-authored 425 publications receiving 41825 citations. Previous affiliations of Xiaogang Liu include Heilongjiang University & Massachusetts Institute of Technology.
Papers
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Journal ArticleDOI
Metal Halide Perovskite Nanosheet for X-ray High-Resolution Scintillation Imaging Screens.
Yuhai Zhang,Yuhai Zhang,Ruijia Sun,Xiangyu Ou,Kaifang Fu,Qiushui Chen,Yuchong Ding,Liang-Jin Xu,Lingmei Liu,Yu Han,Anton V. Malko,Xiaogang Liu,Huanghao Yang,Osman M. Bakr,Hong Liu,Omar F. Mohammed +15 more
TL;DR: This work reports the room-temperature synthesis of a colloidal scintillator comprising CsPbBr3 nanosheets of large concentration and reveals an energy transfer process inside those stacked nanosheet solids that is responsible for their superb scintillation performance.
Journal ArticleDOI
Recent Advances in the Chemistry of Lanthanide‐Doped Upconversion Nanocrystals
Feng Wang,Xiaogang Liu +1 more
TL;DR: In this article, a tutorial review focuses on the recent development of various synthetic approaches and possibilities for chemical tuning of upconversion properties, as well as giving an overview of biological applications of these luminescent nanocrystals.
Journal ArticleDOI
Photon upconversion nanomaterials
TL;DR: Recent advances in the field of upconversion nanomaterials have motivated us to initiate a thematic issue focusing on fundamental principles, synthetic strategies, materials characterization, broad applications, and a Department of Chemistry, National University of Singapore, Singapore 117543, Singapore.
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Solid-State Photoinduced Luminescence Switch for Advanced Anticounterfeiting and Super-Resolution Imaging Applications
Qingkai Qi,Qingkai Qi,Chong Li,Xiaogang Liu,Shan Jiang,Zhaochao Xu,Richmond Lee,Ming-Qiang Zhu,Bin Xu,Wenjing Tian +9 more
TL;DR: An efficient solid-state photoswitch based on a spiropyran-functionalized distyrylanthracene derivative that exhibits exceptional reversible absorption/luminescence modulation ability and is highly applicable as both anticounterfeiting inks and super-resolution imaging agents is constructed.
Journal ArticleDOI
Instantaneous ballistic velocity of suspended Brownian nanocrystals measured by upconversion nanothermometry
Carlos D. S. Brites,Xiaoji Xie,Mengistie L. Debasu,Xian Qin,Runfeng Chen,Wei Huang,Wei Huang,João Rocha,Xiaogang Liu,Xiaogang Liu,Luís D. Carlos +10 more
TL;DR: The population of excited electronic states in NaYF4:Yb/Er nanocrystals at thermal equilibrium can be used for temperature mapping of the nanofluid with great thermal sensitivity and a high spatial resolution, and a technique based on upconversion nanothermometry is developed.